.jack-modal{
    width: calc(100vw - 10%);
    top: 100px;
    background-color: #fff;
    position: absolute;
    top: 20%;
    left: 50%;
    border-radius: 3px;
    transform: translate(-50%,-20%);
}


.jack-modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid #efefef;
}

.jack-modal-footer {
    padding:10px 16px ;
}


.jack-modal-mask {
    background-color: rgba(0,0,0,.7);
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}